Home / 19,862.22-29,749.59-13,257.48

Finding the Fourth Proportional to 19,862.22, 29,749.59 and 13,257.48

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Solution

The fourth proportional to 19,862.22, 29,749.59 and 13,257.48 is: 19,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.22 : 29,749.59 = 13,257.48 : x
  2. Step 2: Convert to fraction form
    19,862.22/29,749.59 = 13,257.48/x
  3. Step 3: Cross multiply
    19,862.22x = 29,749.59 × 13,257.48
  4. Step 4: Simplify right side
    19,862.22x = 394,404,594.43
  5. Step 5: Solve for x
    x = 394,404,594.43/19,862.22
  6. Step 6: Final answer
    x = 19,857.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.